engineering chemistry MCQ #4943

For a reaction with rate law rate = k[A]², if [A] is halved, the rate

engineering chemistry MCQ #4943

  1. Question 1

    Q1. For a reaction with rate law rate = k[A]², if [A] is halved, the rate

    • A) becomes 1/4
    • B) becomes 1/2
    • C) remains same
    • D) doubles

    Answer: becomes 1/4

    Explanation: New rate = k(0.5[A])² = 0.25k[A]², which is 1/4 of the original rate.